Polymethylsiloxane composite coating and preparation method thereof
A technology of polymethylsiloxane and composite coating, which is applied in coatings, anti-corrosion coatings, etc., and can solve problems such as poor mechanical properties and wear resistance
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Embodiment 1
[0027] (1) Weigh 0.005 g of graphene in a small beaker, add 50 ml of ethyl acetate to dissolve, adding an ultrasonic cleaner for 30 min to obtain a stable graphene dispersion.
[0028] (2) Weigh 10 gα, ω-dihydroxy polymethylsiloxane, 0.8 g of dimethylsilicanese oil, 0.6 g of methyl tributyl oxosilane, 0.3 g vinyl tributyl oximeilane and 0.2 mgkh The -560 is placed in a disposable plastic cup, stirring, and then pour the graphene dispersion into the stirring.
[0029] (3) Turn on the vent key, 2 droplets of di-dikinurate as the catalyst, stirred to mix well, and place it for a slightly reduced bubble to mix.
[0030] (4) The above operation is not changed, and the graphene is exchanged to 0.2 g of nano alumina, α, ω-dihydroxy polyimethylsiloxane, dimethylsiliciliciliciloxiliciliciliciloxilicone, methyl tributone-based silane, vinyl three The ketone oxime is not changed, and KH-560 is weighing 4 mg, and the aluminum oxide silicone rubber composite layer is prepared in accordance wit...
Embodiment 2
[0033] (1) Weigh 0.01 g of graphene into the small beaker, add 40 ml of ethyl acetate to dissolve, adding the ultrasonic cleaner for 20 minutes to obtain a stable graphene dispersion.
[0034] (2) Weigh 10 gα, ω-dihydroxy polyimethylsiloxane, 1 g dimethylsilicanese oil, 0.8 g of methyl tributttoxysilane, 0.4 g vinyl tributyl oximeilane and 0.3 mgkh The -560 is placed in a disposable plastic cup, stirring, and then pour the graphene dispersion into the stirring.
[0035] (3) Turn on the vent key, drip 3 drops of diobutyl dika titanate as a catalyst, stirred to a mixed uniform, and the bubble is reduced.
[0036] (4) The above operation is unchanged, and the graphene is exchanged to 0.3 g of nano alumina, α, ω-dihydroxy polyimethylsiloxane, dimethylsilicone oil, methyl tributone oxime silane, vinyl three The butyl ketime is not changed, and the KH-560 is preferably 3 mg, and the mixture of silicon rubber and alumina and other auxiliaries are prepared in accordance with the above ste...
Embodiment 3
[0039] (1) Weigh 0.03 g of graphene into the small beaker, add 50 ml of ethyl acetate to dissolve, adding the ultrasonic cleaning 40 min to obtain a stable graphene dispersion.
[0040] (2) Weigh 10 gα, ω-dihydroxy polyimethylsiloxane, 1.2 g of dimethylsilicanese oil, 1 g of methyl tributttoxysilane, 0.5 g vinyl tributyl oximeilane and 0.6 mgkh- 560 is fully stirred in a disposable plastic cup, then pour the graphene dispersion into the stirring.
[0041] (3) Turn on the vent key, drip 3 drops of diobutyl dika titanate as a catalyst, stirred to a mixed uniform, and the bubble is reduced.
[0042] (4) The above operation is unchanged, and graphene is exchanged to 0.1 g of nano alumina, α, ω-dihydroxy polyimethylsiloxane, dimethylsiliciliciliciliciliciliciliciliciliciliciliciloxilicanese oil, methyl tributttoxysilane, vinyl three The ketone oxime is not changed, and KH-560 is weighing 4 mg, and the aluminum oxide silicone rubber composite layer is prepared in accordance with the abo...
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